XCAPI V3.6 . Certificate 2188_Zert_TE_Systems_XCAPI__OSV_V8.pdf 2341_Zert_XCAPI_OS4k_V8R2.pdf 2428_Zert_TE-Systems_XCAPI_V3.6_OS4k V10.pdf Certification date2018-05-28 2020-04-27 2021-04-19 Certified Products OpenScape Voice V8 OpenScape 4000 V8 OpenScape 4000 V10 Is certifiedYes Product Type Computer-aided Telephony Vendor TE-SYSTEMS GmbH